Home / 34,636.63-47,798.90-18,721.39

Finding the Fourth Proportional to 34,636.63, 47,798.90 and 18,721.39

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Solution

The fourth proportional to 34,636.63, 47,798.90 and 18,721.39 is: 25,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,636.63 : 47,798.90 = 18,721.39 : x
  2. Step 2: Convert to fraction form
    34,636.63/47,798.90 = 18,721.39/x
  3. Step 3: Cross multiply
    34,636.63x = 47,798.90 × 18,721.39
  4. Step 4: Simplify right side
    34,636.63x = 894,861,848.47
  5. Step 5: Solve for x
    x = 894,861,848.47/34,636.63
  6. Step 6: Final answer
    x = 25,835.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.